Why is Stellar's XLM up by over 50% this week?

XLM rallied after US financial giant DTCC announced a partnership with the Stellar Network, but it still risks a sharp downside in the coming weeks.
Source: Why is Stellar's XLM up by over 50% this week? (https://cointelegraph.com/markets/why-is-stellars-xlm-up-by-over-50-this-week?utm_source=rss_feed&utm_medium=rss&utm_campaign=rss_partner_inbound)