According to the Financial Times, the prime rate ….. up slightly even without the housing boom.

Kelas: SMA
Pelajaran: English
Kategori: describing trend
Pembahasan:

In describing trends, one uses present continuous as it is still in progress of happening at the present time.
example: - The number of students is increasing a lot more this year.

In the sentence above, the blanks can be filled with ' going / rising '. It becomes as follows:
The prime rate is going/ rising up slightly even without the housing boom.