LendingClub, Sotheby's gain; Newmont Mining slumps

NEW YORK, N.Y. – Stocks that moved substantially or traded heavily on Monday:

MGM Resorts International, up 77 cents to $27.18

The casino operator earned twice as much in the most recent quarter as investors were expecting.

LendingClub Corp., up 78 to $5.91

The online lender reported a smaller loss and significantly higher revenue than Wall Street analysts were expecting.

Newmont Mining Corp., down $1.31 to $36.49

The price of gold fell sharply, sending shares lower across the gold mining industry.

Berkshire Hathaway Inc., up $3.96 to $146.91

Warren Buffett’s conglomerate posted solid results at most of the more than 90 companies it owns.

Sotheby’s, up $3.87 to $38.43

Despite posting a wider loss than investors were expecting, the auction house reported revenue that came in ahead of forecasts.

Blue Nile Inc., up $10.32 to $40.76

The online jewelry retailer is being sold to a group of investors for $500 million in cash.

Plug Power Inc., down 16 cents to $1.26

The alternative energy technology company’s revenue plunged in the latest quarter, and its loss was wider than analysts were expecting.

EarthLink Holdings Corp., down 62 cents to $5.60

The internet service provider agreed to be acquired by rival Windstream Holdings Inc.