TOKYO (Reuters) - Japan's Nikkei share average is expected to open lower and may break below the 14,000-mark on Tuesday as investor sentiment remains fragile after last week's turbulent trade raised questions about the sustainability of the remarkable bull-run
The Nikkei <.N225> is likely to trade between 13,750 and 14,150 after skidding 3.2 percent to 14,142.65 in the previous session, strategists said.
Investors remain nervous after the Nikkei plunged 7.3 percent last Thursday, its biggest single-day percentage loss since the March 2011 earthquake and tsunami. The selloff was triggered by worries the U.S. Federal Reserve will roll back its stimulus this year and weak factory activity data from China, Japan's second-biggest export market.
"The very fragile market will continue because market participants are cautious over the uncertainty in the short-term," said Takashi Hiroki, chief strategist at Monex Inc.
"The Nikkei futures dropped to around 13,700 in the night session."
On Monday, the broader Topix <.TOPX> index sank 3.4 percent to 1,154.07, despite support by the Bank of Japan, which bought 18.8 billion yen worth of exchange traded funds.
However, while the recent tumult has spooked investors, the benchmark Nikkei is still up 36 percent this year, and has gained 14.5 percent since April 4, when the Bank of Japan announced a sweeping monetary expansion campaign to eliminate years of deflation and revive growth.
> European shares bounce in thin trade, Fiat rallies <.EU> > Yen firms, euro edges up versus dollar in thin trade
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(Reporting by Dominic Lau; Editing by Shri Navaratnam)
