Share prices had been softer due mainly to a rise in the value of the yen against the dollar, which was caused by Fukui's comments but some investors chased bargains later, pushing the NIKKEI index above the key 16,000 level.
Share prices were weaker as many investors are keenly awaiting the machinery orders (figures).
Because of the uncertainties over exchange rates, investors were hesitant to chase export-oriented shares, and instead, went for domestic-demand-oriented shares.
Basically, investors can't really take aggressive positions this week, as they are waiting for the Bank of Japan's meeting, even if they expect the end to the ultra-loose policy to come on Thursday.
Overseas investors appear to be on hold on concerns about further US interest rate hikes.
Yesterday's (market) slump went too far so investors are targeting bargains.
Uncertainties over how Toshiba will run the nuclear power business and its financing scheme for the acquisition prompted investors to sell.