NEW YORK (TheStreet) -- RATINGS CHANGES

Ambarella (AMBA) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: AMBA Ratings Report.

Genesco (GCO) - Get Report was upgraded to buy at Sterne Agee. $72 price target. Estimates also increased, as Journeys can continue to drive growth, Sterne Agee said.

Healthequity (HQY) - Get Report was initiated as a hold by TheStreet Ratings. You can view the full analysis from the report here: HQY.

JetBlue (JBLU) - Get Report was downgraded to neutral at JPMorgan. This was a valuation call, based on a $27 price target, said JPMorgan.

Minerals Technologies (MTX) - Get Report was upgraded to overweight at Keybanc. $70 price target. The company has multiple growth drivers and should see higher earnings in the coming quarters, Keybanc said.

United Technologies (UTX) - Get Report was downgraded to sector perform from outperform at RBC Capital. This was a valuation call, based on a $100 price target, RBC said.

Marriott Vacations (VAC) - Get Report was upgraded to outperform from market perform at JMP Securities. $89 price target. The stock is attractive, following a 21% decline, JMP said.

VMWare (VMW) - Get Report was downgraded to market perform from outperform at JMP Securities. The company is facing increased competition from Amazon, said JMP.

This article was written by a staff member of TheStreet.