"So regardless of what the stock market does, he said he will keep his allocations relatively steady, moving only about 1% a year to bonds and cash from stocks."
The Wall Street Journal, January 7, 2002, page R6

Dear Teacher, is the usage of "will" in the sentence above correct (can a subjective preference be assumed as a general fact?) considering the following rule? Thanks and regards.

"Occasionally, we don’t need to change the present tense into the past if the information in direct speech is still true (but this is only for things which are general facts, and even then usually we like to change the tense)."
Reported Speech