Moves on consecutive trading days hint at defense line of 150
Tokyo believed to have acted alone in recent moves to stabilize weakening yen
With rapid BOJ rate hikes unrealistic, greater self-reliance also needed
Japan central bank frets over sustainability of price hikes as real wages shrink
Monetary easing alone cannot shake country out of its malaise, economists say
Japanese currency bounces back sharply against dollar
Sell-off of Japanese currency remains unabated despite intervention fears
Exports fail to take off despite weak currency as offshore production rises
Fed's sustained hawkish monetary stance spurs dollar-buying
Investors see greenback strengthening further as U.S. tightens monetary policy
Gem fetches $3.3m with Japanese in search of safe haven driving hot market
Sanjaya Panth, however, skeptical yen-buying intervention will have lasting impact
Yellen signals U.S. wouldn't support a coordinated intervention
First forex intervention in decades highlights limit of what Tokyo can do alone
Global tremors mean Japan cannot rely now on currency competitiveness
Both see value in developing alternative to dollar-centered financial system
British visa scheme that offers path to citizenship also stirs interest
Kuroda calls intervention 'highly appropriate' as currency slides once again
Tokyo stands by easy monetary policy as U.S. tightens, weakening currency
Yen had fallen against the dollar after the BOJ kept its ultraloose monetary policy
South Korean won at lowest in 13 years after Fed raises interest rates
U.S. competitiveness worries will bring currency imbalances into focus
Sliding currency raises default and inflation risks
South Korea and Pakistan also included in list of countries as dollar strengthens
Following yen's fall, move believed to be a step toward intervention in market