Happy Hump Day for Japan Stock Market: Chart of the Day

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As Japanese stocks slump, investors have one small comfort: hump day.

The CHART OF THE DAY shows the Topix index gained an average 0.4 percent this year on Wednesdays, the so-called mid-week hump. That was the only day with a positive return as the measure sank 10 percent over the period. The bottom panel shows Mondays, when investors lost the most: 0.5 percent on average.