Japan's Nikkei 225 index declined 0.11% to 63,684.85 by the midday recess on Tuesday, as lingering concerns over potential yen-buying intervention by authorities kept investors on the sidelines.

The broader Topix index mirrored the sentiment, sliding 0.26% to 3,949.90.

On Monday, the Nikkei fell more than 2%, erasing a one-week high as the currency strengthened significantly against the US dollar.

The cautious trading environment reflects a market still digesting the sharp yen appreciation that triggered a sell-off earlier in the week.

On Monday, the Nikkei fell more than 2%, erasing a one-week high as the currency strengthened significantly against the US dollar.

This volatility has created a backdrop of uncertainty, with traders wary of further policy moves aimed at stabilizing the yen.

Technology stocks continued to face pressure, mirroring a broader selloff in US tech-heavy indices that spilled over into Asian trading.