Below are some current market news on commodities. Please predict the movement in the futures market.

a. A late November 2019 report that trade talks between Beijing and Washington are progressing dulled some haven demand for the metal

b. A December 2019 US government data showed the first decline in US crude-oil inventories in six weeks

c. Bitcoin launched on the CBOE futures exchange in Chicago in December 11, 2017, allowing investors to bet on whether Bitcoin prices will rise or fall. What happened to its value during its futures debut?

d. Seaborne mid-grade iron ore prices fell below the $90 per ton mark on October 2019 for the first time since September 2019.