PacWest Bancorp., Caterpillar, TAT Technologies, Change Healthcare and Summit Materials are five top stock gainers for Wednesday.

TAT Technologies (TATT) has been downgraded by TheStreet Ratings from Buy to Hold with a ratings score of C+.

TAT Technologies was a leading decliner within the aerospace/defense industry, falling 31 cents (-5.9%) to $4.95 on average volume.

TAT Technologies (Nasdaq:TATT) has been upgraded by TheStreet Ratings from a sell to hold.

Companies such as China Electric Motor and ShengdaTech are on watch by the Nasdaq to be ousted within six months.

Tesla CEO Musk discusses succession plans and Twitter with shareholders.

The company has made clear what it plans on the Las Vegas Strip, but it has a fast-approaching deadline.

Long-delayed futuristic looking electric vehicle will be in production by the middle of 2023