Answer:
bandwagon
Explanation:
Bandwagon effect -
It is the psychological method by which people tries to copy or do the same work , just by looking other people doing the same , regardless of their own thinking , behaviours and beliefs , is known as bandwagon effect .
It is also known as herd mentality , which simply means , copying things of that other people are doing , this phenomena is observed during the bull markets .
Hence , from the given example in the question , the correct term is bandwagon effect .
