Most Israeli tech stocks are opening with strong gains as Nasdaq begins the Friday session with a 1% dip. Blue chips are 0.4% off.

Cable modems maker Terayon Communication Systems (Nasdaq:TERN) is leaping 11%. Terayon has soared 53% in the last couple of days. It is joined by Orckit Communications (Nasdaq:ORCT), which has gained 56% in recent days and is now 12% up.

Other stocks sailing north at opening are Gilat Communication (Nasdaq:GICOF), which is gaining 16%, and RadView Software (Nasdaq:RDVW), up 10%.

Dropping at this time are NetManage (Nasdaq:NETM), down 9%, and AudioCodes (Nasdaq:AUDC), which after rising impressively in the last couple of days, is now correcting downwards by 4.2%.