The Teladoc logo displayed on a smartphone screen by T_ Schneider via ShutterstockTeladoc (TDOC) shares crashed on July 30 as the company's weaker-than-expected fiscal Q2 sales and muted future guidance disappointed investors. What Was Behind Teladoc's Q2 Weakness? TDOC shares are struggling amid consumer preferences shifting rapidly toward insurance-covered therapy. Should You Buy the Dip in TDOC Shares? Investors considering buying the dip in Teladoc shares should proceed with extreme caution given the company lowered its guidance on Thursday.