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

Insperity, Inc. Common Stock (symbol: NSP) was one of the worst losers of
the trading day today (2016-08-01), losing -14.36%. The number of shares
that changed hands was 1,519,181, or about 5 times the average daily volume
in the stock.
The closing price was $67.22, amounting to a market cap of $1,440,000,000,
about -18.2% off the highest price in the last 12 months. The stock has
been trading at a range between $41.77 and $82.18.
NSP is in the Professional Services industry, part of the Technology sector.
Looking at its valuation, the stock is now trading at 27.56 times earnings.