$SEIC is one of biggest losers #stocks today. read more:

SEI Investments Company (symbol: SEIC) was one of the worst losers of the
trading day today (2016-07-27), losing -10.51%. The number of shares that
changed hands was 5,435,768, or about 8 times the average daily volume in
the stock.
The closing price was $45.71, amounting to a market cap of $7,400,000,000,
about -17.61% off the highest price in the last 12 months. The stock has
been trading at a range between $32.01 and $55.48.
SEIC is in the Investment Bankers/Brokers/Service industry, part of the
Finance sector. It first went public in 1981.
Looking at its valuation, the stock is now trading at 23.68 times earnings.