Stocks making the biggest moves midday: Corning, Qualcomm, Wendy’s, Trade Desk & more

Here are the stocks making headlines in midday trading. Trade Desk – Shares tumbled almost 7%, putting the advertising tech company on pace for a fourth negative day in a row. HSBC cut its rating on Trade Desk to reduce from hold and slashed its price target to $20 from $31, implying about 13% downside from Friday's close. …