Ark Restaurants Corp.’s (ARKR) investors have been experiencing some short-term losses from the stock lately, despite its bumpy ride over recent months. Shares of the owners and operators of restaurants and bars, fast food concepts and catering operations have lost 31.8% in the past six months compared with the industry’s 5.1% decline. It has also underperformed the sector and the S&P 500’s gains of 6% and 16.3%, respectively, in the same time frame.A key recent development for ARKR was the release of its f ...