$BID is one of biggest winner #stocks today. read more:

Sotheby's (symbol: BID) was one of the biggest winners of the trading
day today (2016-07-18), gaining 5.99%. The number of shares that changed
hands was 2,238,568, or about 1.8 times the average daily volume in the
stock.
The closing price was $29.74, amounting to a market cap of $1,740,000,000,
about -32.21% off the highest price in the last 12 months. The stock has
been trading at a range between $18.86 and $43.87.
BID is in the Business Services industry, part of the Miscellaneous sector.
It first went public in 1988.
Looking at its valuation, the stock is now trading at 160.76 times earnings.