VANCOUVER, British Columbia, Dec. 14, 2012 /PRNewswire/ -- Insiderslab.com has issued insider trading reports and equity research for the following companies: Clearwire (NASDAQ:CLWR), Broadcom (NASDAQ:BRCM), Yahoo! (NASDAQ:YHOO), Chesapeake Energy (NYSE:CHK), National-Oilwell Varco (NYSE:NOV), and Arch Coal (NYSE:ACI).

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Report Highlights:

Clearwire Corporation (NASDAQ:CLWR): Between September 14 and December 13, Clearwire Corporation (NASDAQ:CLWR) insiders have sold a total of US$63.60 million in shares, which ranged in price from US$1.37 to US$1.50 each. Clearwire shares ended higher by 14.91% to US$3.16 and made a new 52-week high of US$3.18 on over 121.20 million shares, which was 10 times more than average volume. This is after the company announced that Sprint Nextel Corporation, currently owns 50.45% of Clearwire shares, plans to buy out the rest stakes in Clearwire. Can CLWR continue to move higher?

Read Full Report: http://www.insiderslab.com/PR3/121412A/CLWR/Clearwire.pdf

Broadcom Corporation (NASDAQ:BRCM): Insiderslab.com found Broadcom Corporation (NASDAQ:BRCM) President, Chief Executive Officer, Director, Scott A. McGregor, sold 20,000 shares on December 11, at stock price US$34.20 for about US$684,030. Disclose date: December 12. In the last three months, Broadcom insiders have sold a total of US$40.97 million in shares, which ranged in price from US$30.57 to US$36.51 each. Do you want to know when Broadcom insiders will purchase their shares?

Read Full Report: http://www.insiderslab.com/PR3/121412A/BRCM/Broadcom.pdf

Yahoo! Inc. (NASDAQ:YHOO): On December 13, Yahoo! Inc. (NASDAQ:YHOO) announced the appointment of Max Levchin to its board of directors, effective immediately. In the past year, the stock has traded within a range of US$14.35 – US$19.63. Its price, as of the latest close, US$19.35, was up 35% compared with the 52-week low and was 1% below the 52-week high. Investors may want to find out how Yahoo! insiders are thinking about the future of the company. Check this insider trade report for YHOO here.

Read Full Report: http://www.insiderslab.com/PR3/121412A/YHOO/Yahoo.pdf

Today Insiderslab.com also observed abnormal trade volume for the following companies; insiders may involve trading in these companies. It will take some time for insiders to report their trades. Read these reports and add these companies into your Insider Trade Radar.

Chesapeake Energy Corporation (NYSE:CHK):
Read Full Report: http://www.insiderslab.com/PR3/121412A/CHK/ChesapeakeEnergy.pdf

National-Oilwell Varco, Inc. (NYSE:NOV):
Read Full Report: http://www.insiderslab.com/PR3/121412A/NOV/NationalOilwellVarco.pdf

Arch Coal Inc. (NYSE:ACI):
Read Full Report: http://www.insiderslab.com/PR3/121412A/ACI/ArchCoal.pdf

Insider Filing Source Reference: All observations, analysis and reports are based on public information released by the U.S. Securities and Exchange Commission.

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Insiderslab.com covers insider trade data in major stock markets in the U.S., Hong Kong, Mainland China, and Singapore.  Insiderslab.com features a team of experienced data analysts striving to provide the investment community with the tools, software, and data necessary to carry out more effective investment research.

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SOURCE Insiderslab.com; Insiders.hk