<prompt> Human: Invested in 5k in Vanguard Moderate Growth and 5k in Vanguard Target Retirement 2050 at the beginning of October. My 10k has already plummeted by 507... I know youre supposed to wait it out but this rapid decline is really scary. Is this concerning?  <response>: Vanguard Target Retirement 2050Should I be concerned?Nope. 