Market focus on Fed minutes this week, inflation next week South Korean won starts landmark 24hour spot trading Yen drifts near intervention zone, keeping traders wary SINGAPORELONDON, July 6 Reuters The Japanese yen floundered around fourdecade lows on Monday, raising the risk of official intervention, while the dollar steadied after last week39;s soft jobs report lessened the odds of an imminent interest rate hike. The yen last traded around 162.26 per dollar, not far from last week39;s low of