Chipmaker Cavium Inc
The company, which makes processors for networking and communications equipment makers, expects third-quarter revenue of $73-$74 million, below estimates of $76.4 million, according to Thomson Reuters I/B/E/S.
It expects an adjusted profit of 33 cents in the same period, in line with market expectations.
Second-quarter net income rose to $1.9 million, or 4 cents a share, from $647,000, or 1 cent per share, a year ago.
Excluding items, Cavium, whose customers include Cisco Systems Inc
April-June revenue grew 13 percent to $71.6 million.
Analysts on average had expected earnings of 32 cents a share on revenue of $71.58 million, according to Thomson Reuters I/B/E/S.
Shares of the Mountain View, California-based company, which rose 2 percent after the results, later fell over 10 percent to $28.75 after hours.
They closed at $32.06 Tuesday on Nasdaq.
(Reporting by Kartick Jagtap and Sayantani Ghosh in Bangalore; Editing by Maju Samuel)