Forex technical analysis: AUDUSD line trying to bottom?

Something about the 0.73846 level is attracting some profit taking buying.
The AUDUSD has had an up-and-down day today. On the US employment news today, the price dipped lower and in the process moved below the 0.73846 level (see the 5 minute chart below), but bounced quickly. What is the significance of that level?