US STOCKS-Wall St surges as Brexit rebound continues
* All 10 S&P sectors in positive territory
* Energy sector leads, backed by oil prices
* Tesaro soars on success of cancer drug
* Indexes up: Dow 1.47 pct, S&P 1.59 pct, Nasdaq 1.87 pct (Updates to late afternoon)
By Lewis Krauskopf
June 29 (Reuters) - Wall Street tallied 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 had recouped more than half of its losses from the two-day equities rout sparked by the British referendum, which had amounted to $3 trillion in lost value from global equity markets, according to S&P Dow Jones Indices.
The S&P energy sector jumped 2.4 percent, the top-performing group for a second straight day, supported again by higher oil prices.
Financials, which were beaten up in the wake of the vote, gained 2 percent, and all 10 sectors were in positive territory. Continuación...