Global news attention and tone for any company, ticker, or topic, from the GDELT Project's worldwide news monitoring. Pass `?q=Nvidia` (required), `?timespan=1d|3d|1w|2w|1m|3m` (default 1w). Returns average and latest tone with a positive/neutral/negative label and trend, an article-volume timeline, and recent headlines. A media-sentiment read distinct from the Reddit/4chan feeds. From x402stock