In today’s market report… Chinese stocks were down on news Mainland banks were tightening their reserve ratios, while Asian technology shares declined broadly.

Shanghai's main share index added to a slide last week, as financial institutions implemented an order from the central bank to shore up holdings.

In Hong Kong, PC-maker Lenovo fell on weak technology sector sentiment.

Taiwan's benchmark also declined to multi-month lows, with chip giants TSMC and UMC tumbling as the government said it was not selling stocks.

South Korean memory chip maker Hynix was battered on worries it may not find a majority stake buyer.

The jitters dovetailed with economic data showing a Korean recovery slowing, with tighter Chinese policy seen as a risk.

Japan's Nikkei joined the regional rout, hitting a 5-week low, with No.2 telecom firm KDDI declining on plans to buy the nation's biggest cable TV firm, Jupiter Communications, for $4 billion.