BUZZ-Leading Brands: Best day in 16 years
** Beverage company's shares rise as much as 123 pct to $3.34; biggest pct gain in 16 years; ease back to trade up 52 pct at $2.28 around midday
** Company reports Q1 net income of 10 Canadian cents per share vs a loss of 15 cents in the year ago period
** Selling, general and administrative expenses dropped by about $300,000 in Q1 and gross profit margin rose to 38.7%
** Sales of the company's Happy Water brand up 38 pct from Q1 2015
** Up to Monday's close, shares had fallen 61.4 pct in the last 12 months
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