Trump Media & Technology Group

fell 8.5% to $37.12 in premarket trading after the company, which operates the Truth Social media platform, filed for the resale of nearly 38 million common shares after the stock market closed Monday. Trump Media stock finished with a gain Monday of 31% following an unsuccessful assassination attempt on former President Donald Trump over the weekend and as Trump formally was nominated as the official Republican presidential nominee.

Tesla

was up 1.6%. Shares of the electric-vehicle maker rose 1.8% on Monday after CEO Elon Musk endorsed Trump in the race for the White House.

Match Group

jumped 8.3% after The Wall Street Journal reported activist investor Starboard Value has built a stake of more than 6.5% in the online-dating company and is pushing for a possible sale if a turnaround isn’t successful. The Journal report cited people familiar with the matter.

Earnings reports are expected Tuesday from

UnitedHealth Group
,

Bank of America
,

Morgan Stanley
,

Charles Schwab
,

PNC Financial
,

State Street
,

Progressive
,

J.B. Hunt Transport Services
,

and

Interactive Brokers
.

Bank of America

is expected by Wall Street to post declines in profit and net interest income—the measure watched most closely by investors—when the bank reports second-quarter earnings before the stock market opens Tuesday. Analysts expects Bank of America to earn 80 cents a share in the quarter, down from 88 cents a year earlier, and net interest income of $13.8 billion, down from last year’s $14.2 billion. Bank of America shares rose 0.3% in premarket trading.

UnitedHealth rose 1.1% ahead of its second-quarter earnings report, Morgan Stanley gained 0.7%, and Charles Schwab was up 0.2%.

Write to Joe Woelfel at joseph.woelfel@barrons.com