Shares of LaSalle Hotel Properties ran up 5.2% in premarket trade Monday, after the real estate investment trust agreed to be acquired by Blackstone Group LP in a deal valued at $4.8 billion. Under terms of the deal, Blackstone will pay $33.50 in cash for each LaSalle share outstanding, which is 7.1% above Friday's closing price of $31.29. "We are pleased to have reached this agreement with Blackstone, which we believe is in the best interests of our shareholders and represents the culmination of a thorough review of strategic alternatives," said LaSalle Chief Executive Stuart Scott.