Premarket Roundup: Textron, Novavax

Among the premarket stories for Wednesday, Sept. 2, from AP Financial News:

HARTFORD, Conn. (AP) — Each of Textron's businesses are near bottom and will likely start turning up, an analyst said Wednesday as he upgraded the diversified conglomerate.

NEW YORK (AP) — Oppenheimer & Co. analyst Dr. Brian Abrahams downgraded shares of biotechnology company Novavax Inc. Wednesday after the biotechnology company's stock climbed past his $6 price target.

NEW YORK (AP) — Credit Suisse upgraded Amkor Technology Inc. to "Outperform" from "Neutral" on Wednesday, saying higher demand for the semiconductor packaging and testing company's products should boost gross margins and drive up its stock price.

NEW YORK (AP) — NICE Systems Ltd. was upgraded at William Blair & Co. on Wednesday after the Israeli security systems company said it acquired Fortent, a company that makes software for preventing money laundering and other financial crimes.

HARTFORD, Conn. (AP) — Shares of Donaldson Inc. fell in Wednesday premarket trading after the filtration systems maker offered guidance that some analysts said was disappointing.