The potential acquisition with Alphabet appears to be off the table.Shares of digital-marketing software company HubSpot (HUBS -3.55%) fell 19.1% this week as of 12:30 p.m. EDT Friday, according to data from S&P Global Market Intelligence.HubSpot fell even though the broader markets were positive this week. But in this case, HubSpot's weekly decline didn't have anything to do with fundamentals but rather a rumored acquisition of the company that now appears to be off the table. But is the pullback a buying ...