Spectrum Control Inc. (Nasdaq: SPEC) shares rallied 39.9% to $19.60. Volume was an incredible 3.2 million, given its usual volume around 73,000. This, after API Technologies Corp. said it would pay $20 a share for the electronic-products maker.

AT&T Inc. (NYSE: T) traded in 41.6 million shares, compared to an average of 27.9 million. Shares of T gained 1.8% to $29.38, as Sprint Nextel criticized T’s proposed takeover of rival T-Mobile USA.

Goodyear Tire & Rubber Co. (NYSE: GT) shares shed 5.6% to $14.58, on volume of 13.2 million – double its usual daily volume — after the tire maker said it is making a public offering of $435 million of mandatory convertible preferred stock.