question:  Why did the Latonka Trust stock start dropping?
context: Red Witch of Mercury By EMMETT McDOWELL Death was Jaro Moynahan's stock in trade, and every planet had known his touch. But now, on Mercury, he was selling his guns into the weirdest of all his exploits—gambling his life against the soft touch of a woman's lips. [Transcriber's Note: This etext was produced from Planet Stories Summer 1945. Fans spaced about the garden's walls sluggishly stirred the night air, while the men and women sitting at the tables drank heavily of Latonka, the pale green wine of Mercury. The pianist swung around on his stool, lifted his black eyes to the gate leading to the street. "I did not want to call you in, Jaro Moynahan." The revolution is scheduled to break during the Festival of the Rains. If it does, the Terrestrials here will be massacred. Jaro Moynahan wiped the sweat from his forehead with a fine duraweb handkerchief. I am to offer you ten thousand Earth notes to kill Karfial Hodes." Jaro Moynahan refilled their empty glasses. The girl started, glanced at the pianist, said with a shiver: "We can't locate Karfial Hodes. One moment the garden was glowing in light, the next the hot black night swooped down on the revelers, pressing against their eyes like dark wool. Jaro Moynahan slipped sideways from the table. Jaro Moynahan sat quietly back down and poured himself another glass of Latonka. Peet controlled the Latonka trade for which there was a tremendous demand throughout the Universe. For centuries they had lived most their lives beneath ground to escape the terrible rays of the sun. Only at night did they emerge to work their fields and ply their trades. If the girl had been abducted, only Mercurians could have engineered it in the dark; and the Mercurians were a clannish lot. Somewhere in those rat-runs was Karfial Hodes, the revolutionist, and the girl. Jaro Moynahan In the East a sullen red glow stained the heavens like the reflection of a fire.
output:  There were rumors that the Earth Congress would grant Mercurians independence.
options:  Alternatives to Latonka flooded the market.  Demand for Latonka was decreasing.  There were rumors that the Earth Congress would grant Mercurians independence.  People suspected the revolution would be successful.