Difference between Shorten and Underperform

SHORTEN vs UNDERPERFORM: VERB

Perform too rarely
Perform less well or with less success than expected
To underachieve, to not reach standards or expectations, especially with respect to a financial investment.

To reduce in force, efficacy, or intensity.
To take in (a sail) so that less canvas is exposed to the wind, thereby reducing speed.
To become short or shorter.
To make short or shorter.
To add shortening to (dough) so as to make flaky.

To make short or shorter in measure, extent, or time
To reduce or diminish in amount, quantity, or extent; to lessen; to abridge; to curtail; to contract
To make deficient (as to); to deprive; -- with of.
To take in the slack of it.
To reduce sail by taking it in.

To become short or shorter; contract; diminish in length: as, ropes shorten when wet.
To make anything short: used with in in the nautical phrase to shorten in on the cable, to heave in short or shorter.
To come short; fail.
To make short or shorter; abridge; curtail: as, to shorten hours of work; to shorten the skirt of a dress.
To make appear short: as, pleasant companionship shortens a journey; a concave mirror shortens the face.
Figuratively, to make inefficient or incapable. Compare short-armed.
To take in; contract; lessen in extent or amount: as, to shorten sail; to shorten an allowance.
To check; confine; restrain.
To deprive.
To cause to come short or fail.
To pronounce or measure as short: as, to shorten a vowel or syllable.
To make short or friable, as pastry with butter or lard.

Interrupt, Lessen, Expedite, Improve, Streamline, Accelerate, Bowdlerize, Bowdlerise, Expurgate, Contract, Abridge, Foreshorten, Cut, Abbreviate, Reduce

Overrate, Undersell, Outpace, Underperformed, Underprice, Stagnate, Overachieve, Overpay, Oversold, Underachieve, Outperform, Limit, Confine, Restrict, Shorten

Minimize, Reducing, Interrupt, Lessen, Expedite, Improve, Streamline, Accelerate, Expurgate, Contract, Abridge, Foreshorten, Cut, Abbreviate, Reduce

Overrate, Undersell, Outpace, Underperformed, Underprice, Stagnate, Overachieve, Overpay, Oversold, Underachieve, Outperform, Limit, Confine, Restrict, Shorten

In this case, we would expect them to underperform.
Risks of concentration, you are more likely to underperform.
In either case, the irregularity makes KMC algorithm underperform.
He said most hotel companies underperform during these quarters.
The result is a system fated to underperform.
Will Carlos Martinez Overperform or Underperform His Projections?
Mid Cap stocks generally underperform in short term.
An actively managed fund may underperform its benchmarks.
Sky raised to outperform from underperform, Vivendi initiated with outperform, Credit Suisse says in note; cuts RTL to underperform from neutral.
Fund may select equity securities that underperform the market or underperform relative to competing investment choices.