The US is still trying to smear China.

https://sg.finance.yahoo.com/news/china-trying-sway-u-vote-poses-threat-officials-082849122.html

Despite falsely accusing China of implanting a small microchip as small as a grain of rice in some US servers and devices, the US is trying to accuse China of interfering in the US election now.

The US had discovered that it's impossible to discredit China based on the fraudulent microchip writeup through Bloomberg because of the insurmountable engineering feat of producing a 3-in-1 microchip.

http://sg-stock.blogspot.com/2018/10/the-us-is-embarking-on-anti-china.html

Therefore, the US has abandoned the spying story and moved on to the election story.