First Solar (FSLR)

The solar company’s stock slid 4.8% in premarket trading
after Bank of America Securities lowered its rating to “underperform” from
“neutral.” The bank said investors may overestimate growth prospects, while a
new Commerce Department anti-dumping inquiry into Asian module manufacturers is
unlikely to impact pricing.

Carnival (CCL)

Carnival jumped 3.6% in the premarket action after the
company said the seven-day period from March 28 through April 3 was the busiest
week for new cruise bookings in its history.

Carvana (CVNA)

Caravan slipped 3.4% in premarket trading after the RBC
Capital Markets downgraded the stock to “sector perform” from “outperform,”
with the price target for the online car seller’s stock cut to $138 per share
from $155 per share. The company bases its decision on valuation as well as
potential integration issues with its recent acquisition of car auction company

Generac (GNRC)

The backup generators maker’s stock surged 2.1% in
premarket trading after it was added to the “Americas Buy List” at Goldman
Sachs. The brokerage highlights Generac’s broad product portfolio, expanding
distribution footprint, and the fact that many of its products are still in the
early stages of adoption.

Twitter (TWTR)

Twitter added another 1.5% in premarket trading after
rising 27.1% Monday. It followed Tesla CEO Elon Musk’s announcement that he had
taken a 9.2% stake in the social media company.

Teva Pharmaceutical (TEVA)

Teva gained 1.5% in premarket trading after the drugmaker
was upgraded to “overweight” from “equal weight” at Barclays, which cited
several factors including raised estimates for Teva’s biosimilar version of the
immunosuppressive drug Humira.

Nio (NIO)

Nio rose 1.1% in the premarket action after a Financial
Times report said that the China-based electric car maker is in discussions
with peers about licensing its battery swapping technology.