<prompt> Translate the following text to EnglishKatika muda mfupi, hata hivyo, athari imekuwa kuongeza kutofautiana bei, hasa wakati wachambuzi kutoa nguvu kununua au kuuza mapendekezo.  <response>: In the short term , however, the effect has been to increase price volatility, especially when analysts issue strong buy or sell recommendations. 