US STOCKS-Wall St rebounds from Brexit with second day of big gains
* All 10 S&P sectors finish positive
* Financials lead; energy gains backed by higher oil
* Tesaro soars on success of cancer drug
* Indexes up: Dow 1.64 pct, S&P 1.7 pct, Nasdaq 1.86 pct (Updates with close of U.S. markets)
By Lewis Krauskopf
June 29 (Reuters) - Wall Street recorded big gains for a second day on Wednesday as investors continued to scour for bargains and digest the fallout from Britain's stunning vote to leave the European Union.
The S&P 500 has recouped more than half of its losses from the two-day equities rout sparked by the British referendum, which had erased $3 trillion in value from global equity markets, according to S&P Dow Jones Indices.
The S&P financial sector, which was beaten up in the wake of the vote, gained 2.3 percent, leading all sectors.
Energy shares jumped 2 percent, supported by higher oil prices. All 10 industry groups closed higher. Continuación...