The basic rule of thumb is to not try to time the market. In your case I might avoid putting the money in an IRA though until you are sure you are happy at you

The basic rule of thumb is to not try to time the market. In your case I might avoid putting the money in an IRA though until you are sure you are happy at your employment post graduation. That nest egg could give you crucial flexibility in the short run if your job doesn't work out which is probably more important than starting an IRA ASAP.