QUNR [Qunar Cayman Islands] 424B2: Use these links to rapidly review the document

[Use these links to rapidly review the document The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. SUBJECT]

QUNR [Qunar Cayman Islands] F-3ASR: (Original Filing)

[FORM F-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Qunar Cayman Islands Limited Not Applicable Cayman Islands Not Applicable 17th Floor, Viva Plaza, Building 18, Yard 29, Law Debenture Corporate Services Inc. Copy to: nd Alan Seem, Esq. Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration] [Our ref RDS/622314-000001/8117303v1 Direct tel +852 2971 3046 Email richard.spooner@maplesandcalder.com Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29 Suzhou Street, Haidian District Beijing 100080 People’s Republic of China 1 June 2015 Dear Sirs Qunar Cayman Islands Limited We have acted as Cayman Islands legal advisers to Qunar Cayman Islands Limited Company Registration Statement Offering ADSs Shares] [1460 EL CAMINO REAL | MENLO PARK | CA | 94025-4110 WWW.SHEARMAN.COM | T +1.650.838.3600 | F +1.650.838.3699 Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29 Suzhou Street, Haidian District Beijing 100080 The People’s Republic of China Ladies and Gentlemen: For purposes of the opinion set forth below, we have, with the consent of the Company,] [Consent of Independent Registered Public Accounting Firm Beijing, the People’s Republic of China June 1, 2015 EX-23.1 4 a2224468zex-23_1.htm EX-23.1] [June 1, 2015 Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29, Suzhou Street, Haidian District Beijing 100080 The People’s Republic of China Dear Sirs/Madams: Re: Qunar Cayman Islands Limited Opinion With respect to the Offering, you have requested us to furnish an opinion (the “ I. Documents Examined, Definition and Information Provided Documents In connection with]

QUNR [Qunar Cayman Islands] F-3ASR: FORM F-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT

[FORM F-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Qunar Cayman Islands Limited Not Applicable Cayman Islands Not Applicable 17th Floor, Viva Plaza, Building 18, Yard 29, Law Debenture Corporate Services Inc. Copy to: nd Alan Seem, Esq. Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration] [Our ref RDS/622314-000001/8117303v1 Direct tel +852 2971 3046 Email richard.spooner@maplesandcalder.com Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29 Suzhou Street, Haidian District Beijing 100080 People’s Republic of China 1 June 2015 Dear Sirs Qunar Cayman Islands Limited We have acted as Cayman Islands legal advisers to Qunar Cayman Islands Limited Company Registration Statement Offering ADSs Shares] [1460 EL CAMINO REAL | MENLO PARK | CA | 94025-4110 WWW.SHEARMAN.COM | T +1.650.838.3600 | F +1.650.838.3699 Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29 Suzhou Street, Haidian District Beijing 100080 The People’s Republic of China Ladies and Gentlemen: For purposes of the opinion set forth below, we have, with the consent of the Company,] [Consent of Independent Registered Public Accounting Firm Beijing, the People’s Republic of China June 1, 2015 EX-23.1 4 a2224468zex-23_1.htm EX-23.1] [June 1, 2015 Qunar Cayman Islands Limited 17th Floor, Viva Plaza, Building 18, Yard 29, Suzhou Street, Haidian District Beijing 100080 The People’s Republic of China Dear Sirs/Madams: Re: Qunar Cayman Islands Limited Opinion With respect to the Offering, you have requested us to furnish an opinion (the “ I. Documents Examined, Definition and Information Provided Documents In connection with]

BIDU [Baidu] CORRESP: AIDU NC B Baidu Campus No. 10 Shangdi

[AIDU NC B Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China May 29, 2015 VIA EDGAR Craig D. Wilson, Senior Assistant Chief Accountant Joyce Sweeney, Staff Accountant Barbara C. Jacobs, Assistant Director Ji Shin, Staff Attorney Division of Corporation Finance 100 F Street, N.E. Re: Baidu, Inc. (the “Company”) Form 20-F for]

BIDU [Baidu] CORRESP: (Original Filing)

[AIDU NC B Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China May 29, 2015 VIA EDGAR Craig D. Wilson, Senior Assistant Chief Accountant Joyce Sweeney, Staff Accountant Barbara C. Jacobs, Assistant Director Ji Shin, Staff Attorney Division of Corporation Finance 100 F Street, N.E. Re: Baidu, Inc. (the “Company”) Form 20-F for]

GIGM [GIGAMEDIA] 6-K: (Original Filing)

[NOTICE OF THE SIXTEENTH ANNUAL GENERAL MEETING OF SHAREHOLDERS GigaMedia Limited Incorporated in the Republic of Singapore Registration No.: 199905474H REGISTERED OFFICE 80 Robinson Road, #02-00 Singapore 068898 Company June 22, 2015 at 3 p.m. local time at 1404-5 Sunbeam Plaza, 1155 Canton Road, Kowloon, Hong Kong The 2015 annual general meeting of the shareholders of GigaMedia Limited (the “] [GIGAMEDIA LIMITED 8F, NO. 22, LANE 407, SECTION 2 TIDING BLVD. NEIHU DISTRICT, TAIPEI 114 TAIWAN R.O.C. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To] [GIGAMEDIA LIMITED CONSOLIDATED FINANCIAL STATEMENTS DECEMBER 31, 2013 AND 2014 FOR THE YEARS ENDED DECEMBER 31, 2012, 2013 AND 2014 (With Reports of Independent Registered Public Accounting Firms Thereon) GIGAMEDIA LIMITED AND SUBSIDIARIES Index to Consolidated Financial Statements Page Reports of Independent Registered Public Accounting Firms 1 Consolidated balance sheets as of December 31, 2013 and 2014 3 Consolidated statements] [GigaMedia Limited and its subsidiaries Registration Number: 199905474H Annual Report Year ended 31 December 2014 GigaMedia Limited and its subsidiaries Directors’ report Year ended 31 December 2014 Directors’ report We are pleased to submit this annual report to the members of the Company together with the audited financial statements for the financial year ended 31 December 2014. Directors The directors] [GIGAMEDIA LIMITED is submitting under cover of Form 6-K: 1. 2. 3. 4. GigaMedia Limited 6-K 1 d930913d6k.htm FORM 6-K]

GIGM [GIGAMEDIA] 6-K: NOTICE OF THE SIXTEENTH ANNUAL GENERAL MEETING OF

[NOTICE OF THE SIXTEENTH ANNUAL GENERAL MEETING OF SHAREHOLDERS GigaMedia Limited Incorporated in the Republic of Singapore Registration No.: 199905474H REGISTERED OFFICE 80 Robinson Road, #02-00 Singapore 068898 Company June 22, 2015 at 3 p.m. local time at 1404-5 Sunbeam Plaza, 1155 Canton Road, Kowloon, Hong Kong The 2015 annual general meeting of the shareholders of GigaMedia Limited (the “] [GIGAMEDIA LIMITED 8F, NO. 22, LANE 407, SECTION 2 TIDING BLVD. NEIHU DISTRICT, TAIPEI 114 TAIWAN R.O.C. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To] [GIGAMEDIA LIMITED CONSOLIDATED FINANCIAL STATEMENTS DECEMBER 31, 2013 AND 2014 FOR THE YEARS ENDED DECEMBER 31, 2012, 2013 AND 2014 (With Reports of Independent Registered Public Accounting Firms Thereon) GIGAMEDIA LIMITED AND SUBSIDIARIES Index to Consolidated Financial Statements Page Reports of Independent Registered Public Accounting Firms 1 Consolidated balance sheets as of December 31, 2013 and 2014 3 Consolidated statements] [GigaMedia Limited and its subsidiaries Registration Number: 199905474H Annual Report Year ended 31 December 2014 GigaMedia Limited and its subsidiaries Directors’ report Year ended 31 December 2014 Directors’ report We are pleased to submit this annual report to the members of the Company together with the audited financial statements for the financial year ended 31 December 2014. Directors The directors] [GIGAMEDIA LIMITED is submitting under cover of Form 6-K: 1. 2. 3. 4. GigaMedia Limited 6-K 1 d930913d6k.htm FORM 6-K]

VNET [21Vianet] 6-K: (Original Filing)

[21Vianet Group, Inc. Reports First Quarter 2015 Unaudited Financial Results 1Q15 Net Revenues Up 46.8% YOY to RMB860.1 Million 1Q15 Adjusted EBITDA Up 47.8% YOY to RMB166.9 Million Live Conference Call to be Held at 8:00 PM U.S. Eastern Time, May 26, 2015 BEIJING, May 26, 2015 (GLOBE NEWSWIRE) — 21Vianet Group, Inc. (Nasdaq: VNET) (“21Vianet” or the “Company”), a] [FORM 6-K 21Vianet Group, Inc. M5, 1 Jiuxianqiao East Road, Chaoyang District Beijing 100016 The People’s Republic of China (86 10) 8456 2121 x ¨ Form 20-F ¨ ¨ 21Vianet Group, Inc. Shang-Wen Hsiao Chief Financial Officer 6-K 1 d932952d6k.htm FORM 6-K]

VNET [21Vianet] 6-K: 21Vianet Group, Inc. Reports First Quarter 2015 Unaudited

[21Vianet Group, Inc. Reports First Quarter 2015 Unaudited Financial Results 1Q15 Net Revenues Up 46.8% YOY to RMB860.1 Million 1Q15 Adjusted EBITDA Up 47.8% YOY to RMB166.9 Million Live Conference Call to be Held at 8:00 PM U.S. Eastern Time, May 26, 2015 BEIJING, May 26, 2015 (GLOBE NEWSWIRE) — 21Vianet Group, Inc. (Nasdaq: VNET) (“21Vianet” or the “Company”), a] [FORM 6-K 21Vianet Group, Inc. M5, 1 Jiuxianqiao East Road, Chaoyang District Beijing 100016 The People’s Republic of China (86 10) 8456 2121 x ¨ Form 20-F ¨ ¨ 21Vianet Group, Inc. Shang-Wen Hsiao Chief Financial Officer 6-K 1 d932952d6k.htm FORM 6-K]

WUBA [58.com] 6-K: (Original Filing)

[58.com Reports First Quarter 2015 Unaudited Financial Results BEIJING, May 25, 2015 -- 58.com Inc. (NYSE: WUBA) (“58.com” or the “Company”), China’s largest online marketplace serving local merchants and consumers, today reported its unaudited financial results for the first quarter ended March 31, 2015. First Quarter 2015 Financial Highlights · Total revenues were US$87.1 million, an 80.5% increase from the] []

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