McDonald’s Corporation (MCD

) shares fell more than 3% on Tuesday after M Science CEO Michael Marrale noted that the restaurant chain was well below consensus estimates on comparable sales. M Science uses data mining strategies to provide actionable intelligence to corporations and investors. At the same time, restaurant sales are likely to be affected by the recent hurricanes in the southern United States.

Black Box Intelligence had previously estimated that restaurant same-store sales fell 2% and comparable traffic fell 3.9% last month compared with year-ago results. The analyst firm cited Hurricane Harvey and the Floyd Mayweather vs. Conor McGregor fight as two negative factors influencing sales, adding that Hurricane Harvey and Hurricane Irma could be large enough factors to slow growth during the third quarter of this year. (See…