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Insider buying can be an encouraging signal for potential investors, especially when markets face uncertainty. Insiders have been taking advantage of secondary and initial public offerings recently. Biotech companies are once again well represented on this list of notable insider share purchases...

Insider buying can be an encouraging signal for potential investors. A 10% owner, a director and another executive made notable purchases this week. One of these buyers has been making frequent purchase lately. Conventional wisdom says that insiders and 10 percent owners really only buy shares of...

This weekend's Barron's offers a look at a big pharma stock that acts like a big tech one. Other featured articles discuss an old-school chip stock poised to reward investors and who the players may be in the coming surge in cable and wireless deal making. The prospects for an obscure aircraft...

Between the September 13 and September 30 settlement dates, the number of shares sold short in Raytheon (NYSE: RTN), United Technologies (NYSE: UTX) and Huntington Ingalls Industries (NYSE: HII) grew by the largest percentages among U.S. defense stocks. In the days leading up to the federal...

Between the August 30 and September 15 settlement dates, the number of shares sold short in defense stocks Boeing (NYSE: BA), General Dynamics (NYSE: GD) and Textron (NYSE: TXT) rose by double-digit percentages. In that period, the effects of the federal budget sequester were well established, but...

Between the August 15 and August 30 settlement dates, after the effects of the federal budget sequester were well established but as the latest tensions over the Syrian situation were just starting to boil up, the largest short interest moves in defense stocks were declines. The number of shares...

Between the July 31 and August 15 settlement dates, after the effects of the federal budget sequester were well established but before the recent rise in tensions over the Syrian situation, defense stocks Raytheon (NYSE: RTN) and Alliant Techsystems (NYSE: ATK) saw the largest upswings in short...

By and large short sellers of defense stocks were not spurred to further action when the federal budget sequester went into effect. The number of shares sold short in Alliant Techsystems (NYSE: ATK), Esterline Technologies (NYSE: ESL) and General Dynamics (NYSE: GD) increased somewhat between...

The short interest in defense companies was mixed during the weeks leading up to the federal budget sequester. The number of shares sold short in Alliant Techsystems (NYSE: ATK), Boeing (NYSE: BA), L-3 Communications (NYSE: LLL), Northrop Grumman (NYSE: NOC), Raytheon (NYSE: RTN), Textron (NYSE:...

The short interest in defense companies was mixed during the first two weeks of February, despite the threat of major federal budget cuts at the end of the month. The number of shares sold short in General Dynamics (NYSE: GD), Huntington Ingalls (NYSE: HII), Raytheon (NYSE: RTN), Rockwell Collins...