Rebalancing
Selling what has grown and buying what has not, to restore your target mix.
If shares have run and now make up 80% of a portfolio you intended to be 60% shares, rebalancing sells some and buys the laggards. It mechanically forces you to sell high and buy low, which is exactly what nobody can do by instinct.
It also quietly controls risk: without it, your portfolio drifts towards whatever has recently gone up most, which is usually whatever is most overvalued.
The market moves first, and recovers first
Shares fall before the data does and start climbing while the news is still uniformly awful. Waiting for the news to improve means buying after the recovery has happened.
It is a rule that makes the correct decision for you at the moment your emotions are least reliable.
Rebalancing too often, which racks up costs and tax. Once or twice a year is generally plenty.
Related terms
See Rebalancing on a real company
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