A Moving to another question will save this response. Question 9 Which one of the following involves the study of a firm's stock price for the few days surrounding a news announcement? web survey market analysis trend study event study As Moving to another question will save this response. uestion 5 If the 589500 falls by 7 percent, the NYSE will: halt trad ing for one hour if the decline occurs after noon. halt trading for thirty minutef. halt trading for 15 mithutes it the decline occurs before 3425 p.m. halt trabing for one hour