US STOCKS-Wall St jumps as geopolitical concerns ease
* S&P 500 comes off biggest weekly decline in seven
* Alibaba will begin U.S. IPO process
* JA Solar soars after results, forecast
* Indexes up: Dow 1.1 pct, S&P 1 pct, Nasdaq 1.2 pct
By Ryan Vlastelica
NEW YORK, March 17 (Reuters) - U.S. stocks rose more than 1 percent on Monday, rebounding from a steep drop in the previous week as concerns eased over the situation in Crimea, even as the region voted to join Russia.
The 97-percent vote in Crimea in favor of quitting Ukraine was condemned as illegal by Kiev and the West, with the White House calling Russian actions "dangerous and destabilizing," though the referendum passed without violence.
In addition, while markets are considered to be vulnerable to further developments in what is considered the biggest crisis between Russia and the United States since the Cold War, anticipated sanctions against Russia have yet to materialize.
The geopolitical tension weighed on equities last week, with the S&P 500 suffering its biggest weekly loss in seven and the CBOE Volatility index jumping to its highest since early February on Friday. Continuación...