Today's Pre-Market Stock Movers and Top Ratings: NVDA, SPHR, AMC, SEDG and More

$NVIDIA (NVDA.US)$ shares rose more than 1% after Goldman Sachs added the chipmaker to its Americas conviction list for the month, saying this year’s market leader will maintain its position. The Wall Street firm has a buy rating on the stock.

$Sphere Entertainment (SPHR.US)$ stock jumped more than 7% after the entertainment and media company opened its Sphere venue in Las Vegas with a show from U2 on Friday night. The Sphere will host live concerts and sporting events.

$Insulet (PODD.US)$ shares gained 3.4% in premarket trading. Jefferies upgraded the medical device maker to buy from hold, saying investors should take advantage of recent underperformance to add exposure.

$Sunnova Energy International (NOVA.US)$, UBS initiated coverage of the solar company with a buy rating, sending shares up 1.5% in premarket trading. The Wall Street firm believes Sunnova is well positioned to take market share thanks to increasing demand for third-party-owned residential solar systems. Its $16 price target implies nearly 53% upside from Friday’s close.

$Clorox (CLX.US)$ rose 3.3% in premarket trading after D.A. Davidson upgraded Clorox to buy from neutral. The investment firm said that Clorox’s stock could rally as the company gives investors more clarity about the fallout from an August cyberattack.

$AMC Entertainment (AMC.US)$ shares  moved up 2% before the bell after it announced that Renaissance: A Film by Beyoncé, would be distributed in the U.S. in December.

$SolarEdge Technologies (SEDG.US)$ stock dropped 2.7% after Barclays downgraded SolarEdge Technologies to equal weight from overweight, saying price cuts are “inevitable” next year for the company.

$Chubb Ltd (CB.US)$ shares fell 1.5% after JPMorgan downgraded Chubb Limited to neutral from overweight, saying neither the commercial lines market nor the stock’s valuation is as compelling.