United Rentals stock rises 3.27% but trails competitors

9 articles · Updated · MarketWatch · May 6

Shares closed at $964.50 on Wednesday, while rival Herc Holdings gained 3.98% to $136.01 in a broadly stronger US market.
The stock posted a second straight daily gain as the S&P 500 rose 1.46% and the Dow Jones Industrial Average added 1.24%.
United Rentals ended 5.58% below its 52-week high of $1,021.47, and trading volume of 684,153 topped its 50-day average of 603,121.

With competitor Herc Holdings surging, is United Rentals' market dominance beginning to slip?

United Rentals' guidance is up, so why are its executives selling off millions in personal stock?