Toshiba soars on reports of memory chip unit bid

Toshiba stocks surged on Friday as Japanese media said around 10 companies and funds, including Apple, are bidding for its memory chip business, a day after shareholders approved the spin-off plan.Japan's top Nikkei business daily said the first round of bidding had been completed.US private-equity firm Silver Lake Partners and American chipmaker Broadcom have apparently tendered bids of roughly 2 trillion yen ($17.9 billion), it said.